Modular sink



FIG. 1 is an upper right perspective view of my new design for a modular sink in accordance with the present invention;

FIG. 2 is a front elevational view of the modular sink of FIG. 1;

FIG. 3 is a rear elevational view of the modular sink of FIG. 1;

FIG. 4 is a left side elevational view of the modular sink of FIG. 1;

FIG. 5 is a right side elevational view of the modular sink of FIG. 1;

FIG. 6 is a top view of the modular sink of FIG. 1; and,

FIG. 7 is a bottom view of the modular sink of FIG. 1.

The unshaded area shown in FIG. 7 forms no part of the claimed design. 

The ornamental design for an modular sink, as shown and described. 